Meaning of PHYLUM ECHINODERMATA

WordNet Dictionary
	Definition:		[n]  radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
	Synonyms:		Echinodermata
	See Also:		animal kingdom, Animalia, Asteroidea, class Asteroidea, class Crinoidea, class Echinoidea, class Holothuroidea, class Ophiuroidea, Crinoidea, echinoderm, Echinoidea, Holothuroidea, kingdom Animalia, Ophiuroidea, phylum